Question 1207390
first digit must be even = 0,2,4,6,8 = 5 possible.
second digit can be anything from 0 to 9 = 0,1,2,3,4,5,6,7,8,9 = 10 possible.
third digit must be odd = 1,3,5,7,9 = 5 possible.
possible number of combinations are 5 * 10 * 5 = 250.